CN102452222A - Continuous media ink-jet printer and control panel - Google Patents
Continuous media ink-jet printer and control panel Download PDFInfo
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- CN102452222A CN102452222A CN2010105267627A CN201010526762A CN102452222A CN 102452222 A CN102452222 A CN 102452222A CN 2010105267627 A CN2010105267627 A CN 2010105267627A CN 201010526762 A CN201010526762 A CN 201010526762A CN 102452222 A CN102452222 A CN 102452222A
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Abstract
The invention provides a continuous media ink-jet printer, which comprises a main panel, a printing unit, a paper feeding unit, a paper-out detection unit, a step number detection unit and a control panel. The input end of the control panel is respectively connected with the paper-out detection unit and the step number detection unit and the output thereof is connected with the main panel; the control panel is used to acquire medium state information transmitted by the paper-out detection unit and a pulse signal transmitted by the step number detection unit and account the step number according to the pulse signal; when the medium state information shows that media are available and the step number is equal to the printing step length, a paper-out signal is transmitted to the main panel. Continuous media printing can be realized by inserting the control panel between the paper-out detection unit and an information transmission channel of the main panel and between the step number detection unit and the information transmission channel of the main panel and by controlling the information of the main panel through the control panel. The invention further provides a control panel which is used for the continuous media ink-jet printer.
Description
Technical field
The present invention relates to machinery, electronic applications, relate in particular to a kind of printing technique.
Background technology
In today of scientific and technical develop rapidly, along with popularizing of computer technology, the common ink-jet printer product is because the print quality and the cheap relatively selling price of its high-quality are widely used.
For the common ink-jet printer of printing paging paper, general maximum can only be printed the paging paper of one meter two length.This can satisfy, and common sheet is printed or most of requirement of the user of sheet short slab print request, but for the user that needs are printed continuous media, just can't satisfy it and require.
Summary of the invention
The purpose of this invention is to provide a kind of continuous media ink-jet printer, it can print continuous media.
The objective of the invention is to realize through following technical scheme:
The present invention provides a kind of continuous media ink-jet printer, and said continuous media ink-jet printer comprises mainboard, print unit, paper feed unit; Said print unit and paper feed unit are realized printing and paper feed according to said mainboard information transmitted action; Said continuous media ink-jet printer also comprises:
Lack paper detecting unit, step number detecting unit and control panel;
The input of said control panel is connected with said step number detecting unit with said scarce paper detecting unit respectively, and output is connected with said mainboard;
Said scarce paper detecting unit is used to detect whether medium is arranged in the continuous media ink-jet printer, and detected medium state information is transferred to said control panel;
Said step number detecting unit is used for said paper feed medium that the unit is walked is detected, and pulse signal is transferred to said control panel;
Said control panel is used to obtain the medium state information of said scarce paper detecting unit transmission and the pulse signal of said step number detecting unit transmission, according to said pulse signal meter step number; And under the continuous media printing model, when medium state information equals to print step-length for medium and said step number are arranged, send out scarce paper signal to said mainboard.
Wherein, preferred, said continuous media ink-jet printer also comprises:
Host computer, said host computer is connected with said control panel; Said host computer is used to treats document printing calculating printing step-length, and said result of calculation is transferred to said control panel, and receives the back print command that sends of replying of said control panel.
Wherein, preferred, said continuous media ink-jet printer also comprises: relay, and the coil-end of said relay is connected with said control panel, and controlled change-over switch terminal is connected with the motor-driven loop of said paper feed unit; Said control panel also is used for when step number reaches between two/one page blank step-length, controlling the motor reverse drive loop that said relay is connected said paper feed unit, and is transferred to said mainboard after phase information done opposite processing; When step number reaches between page or leaf blank step-length, control the motor forward drive loop that said relay is connected said paper feed unit, and transmission forward phase information is given said mainboard.
Wherein, preferred, said continuous media ink-jet printer also comprises: host computer, and said host computer is connected with said control panel; Said host computer is used to treats that document printing calculate to print blank step-length between step-length and page or leaf, and said result of calculation is transferred to said control panel, and print command is sent in the back of replying that receives said control panel.
Wherein, preferred, said control panel also is used under paging medium printing model, when medium state information is no medium, sends out scarce paper signal to said mainboard.
Wherein, preferred, said host computer also is used to send the printing model switching command and gives said control panel; Said control panel also is used to receive the printing model switching command that said host computer sends, and according to said order, switches printing model to continuous media printing model or paging medium printing model.
Wherein, preferred, said step number detecting unit comprises: encoder sensor.
Wherein, preferred, said relay is a dpdt relay.
The present invention also provides a kind of control panel, and said control panel comprises:
Information acquisition unit is used to obtain the medium state information of scarce paper detecting unit transmission and the photoelectric pulse signal of said step number detecting unit transmission;
Counting unit is according to said photoelectric pulse signal count steps;
Comparing unit is used for the comparison step number and prints step-length;
Control module is used under the continuous media printing model, when medium state information equals to print step-length for medium and said step number are arranged, sends out scarce paper signal to said mainboard.
Wherein, preferred, said comparing unit also is used for blank step-length sum between printing step-length and two/one page is compared with step number; And, will print blank step-length sum between step-length and page or leaf, compare with step number; Said control module also be used for when comparative result be step number when equaling to print between step-length and two/one page blank step-length sum, starting relay is connected the motor reverse drive loop of paper feed unit, and is transferred to the printer mainboard after phase information done opposite processing; When step number equaled to print between step-length and page or leaf blank step-length sum, starting relay was connected the motor forward drive loop of paper feed unit, and the transmission phase information is given the printer mainboard.
Technical scheme by the invention described above provides can be found out; The present invention is through inserting control panel at scarce paper detecting unit, step number detecting unit between the information transfer channel of mainboard; And be transferred to the information of printer mainboard through the control of this control panel, can realize the printing of continuous media.
Description of drawings
The principle framework figure that Fig. 1 provides for first embodiment of the invention;
The local circuit schematic diagram that Fig. 2 provides for first embodiment of the invention;
The workflow diagram of the control panel that Fig. 3 provides for first embodiment of the invention;
Fig. 4 is the principle framework figure of second embodiment of the invention;
The workflow diagram of the PC that Fig. 5 provides for second embodiment of the invention;
The principle framework figure that Fig. 6 provides for third embodiment of the invention;
The local circuit schematic diagram that Fig. 7 provides for third embodiment of the invention;
The workflow diagram of the control panel that Fig. 8 provides for third embodiment of the invention;
Fig. 9 is the principle framework figure of fourth embodiment of the invention;
The workflow diagram of the PC that Figure 10 provides for fourth embodiment of the invention;
Figure 11 is the principle framework figure of fifth embodiment of the invention control panel.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
First embodiment of the invention provides a kind of continuous media ink-jet printer, and this first embodiment can realize the printing function of continuous media.This first embodiment inserts control panel between the scarce paper sensor of former ink-jet printer and ink-jet printer mainboard (this control panel is by MCU (Micro Control Unit; Microcontroller) single-chip microcomputer, MOS (Metal-Oxide-Semiconductor; Metal oxide semiconductor) composition such as switching tube and relay); When scarce paper sensor has detected paper or has not had paper; Control panel is issued mainboard with opposite or identical state, and the state control signal of the scarce paper sensor of real-time simulation output, makes it meet the sequential requirement that mainboard is printed on continuous material.The principle framework of this first embodiment is as shown in Figure 1, comprising:
Through holding wire, the input of control panel 200 is connected with encoder sensor 600 with scarce paper sensor 100 respectively, and output is connected with mainboard 300.
Above-mentioned scarce paper sensor 100 is as shown in Figure 2 with control panel 200 interconnective circuit theory diagrams, and this circuit is that the scarce paper sensor 100 of original ink-jet printer and the signal transmission passage between the mainboard 300 are broken off, and the Access Control plate 200 then.Lack the medium state information that paper sensor 100 collects like this, at first be transferred to control panel 200, after handling through control panel 200 then, just be transferred to mainboard 300.
After the ink-jet printer power supply electrifying, connect the control panel power supply simultaneously.Control panel 200 receives control command from PC (personal computer, Personal Computer) the medium printing model of the acquiescence of former ink-jet printer (also can reduce from), starts the continuous media printing model.When control panel 200 receives when lacking paper sensor 100 and having detected medium signal, and definite step number variable is when equaling to print step-length, sends to mainboard 300 to lack the paper signal; After mainboard 300 receives this scarce paper signal, will trigger paper feed unit 500 and grasp medium.With print media paper is example, the concrete workflow that provides control panel 200 as shown in Figure 3, comprising:
Step S301, beginning.Connect the control panel power supply.
Step S302, the control panel initialization.In this step, control panel is opened control port and data transmission channel, and switches to corresponding continuous media printing model according to preset printing model.
Step S303 is with the step number variable zero clearing of measuring in the control panel.
Step S304 receives and prints the step-length data.
These printing step-length data can preestablish; Also can be from the transmission data of PC.
Step S305 preserves and prints step-length to memory variable; According to the pulse signal of encoder sensor, count step number through the built-in counter of MCU.
Step S306 judges whether paper is arranged in the printer, if there is not paper, then execution in step S308 promptly goes into the paper monitoring; If paper is arranged, then execution in step S307 promptly goes in the paper process at printer, to 300 of printer mainboards the paper signal is arranged at the paper point of confirming of going into.
Step S309 in the process of printer paper-feeding, compares the step number variable with printing step-length, if the two is identical, and execution in step S310 then; If the two difference continues step S309 again.
Step S310 sends out the paper signal scarce to printer mainboard 300.
Second embodiment of the invention provides second kind of continuous media ink-jet printer; This second embodiment has increased upper management PC on the basis of first embodiment; After setting up communication contact in conjunction with PC and control panel; The requirement that can set by the user to each different document, realizes between page or leaf and the page or leaf that spacing carries out the self adaptation adjustment and control.The theory diagram of this second embodiment is as shown in Figure 4:
Converting the RS323 serial line interface to through USB between PC 800 and the control panel 200 is connected.Control panel 200 receives the control command and transmission data of PC 800 through serial line interface, and controls according to these orders and data printer mainboard 300.Wherein the workflow of control panel 200 is still as shown in Figure 3, is not described in detail here.Only the workflow of PC 800 is described below,, is specifically comprised referring to Fig. 5:
Step S801, beginning.
Step S802 opens control port and print.er port.
Step S803, the scanning and printing file gets access to the document that needs printing.
Step S804, document printing is treated in scanning, calculates the printing step-length of the document.
Step S805 sends printing step-length data to control panel 200.
Step S806 receives the reply data that control panel 200 feeds back.
Step S807 sends print order file to printer mainboard 300.
Step S808 judges according to the reply data of printer mainboard 300 feedbacks whether printer is idle, if printer free time, then execution in step S809.
Step S809, one page needs to print under judging whether to also have, if need, then changes step S803 over to; Otherwise, execution in step S810.
Step S810, closing control port and print.er port.
Step S811, the workflow of end PC.
Third embodiment of the invention provides the third continuous media ink-jet printer, and the 3rd embodiment can realize on the basis of continuous media printing at first embodiment, realizes that further the distance continuously between logical page (LPAGE) and the page or leaf is printed or seamless printing.
The 3rd embodiment considers that former ink-jet printer when step number (being paper feed stepping amount) equals to be beaten the printing step-length of file setting, be in the page or leaf intermittence of normal printing, and the motor of paper feed unit is in transfixion at this moment.In this specified moment, the motor-driven loop of paper feed unit is oppositely connected, realize that the chart drive motor reversing moves back paper, but must phase information be done opposite the processing simultaneously, could guarantee that printer normally moves.Therefore the 3rd embodiment introduces control panel 200 and relay 700; Realize being connected forward or backwards of motor-driven loop of paper feed unit 500 through control panel 200 control and relay 700, and the phase information of resetting encoder sensor 600 transmission through control panel 200 is to printer mainboard 300.
The concrete principle framework figure of the 3rd embodiment is as shown in Figure 6; The difference part of itself and first embodiment is: increased a relay 700; This relay 700 is inserted among the motor-driven loop of paper feed unit 500, and is controlled by the I/O port of control panel 200.
Concrete circuit theory diagrams are as shown in Figure 7; The coil-end of relay 700 is driven by the metal-oxide-semiconductor of control panel 200; The control end of metal-oxide-semiconductor is connected with the I/O port of said control panel 200, and the controlled change-over switch terminal of relay 700 is connected with the motor-driven loop of paper feed unit 500.This relay 700 can be a dpdt relay, wherein the positive and negative polarities interconnection in the motor-driven loop of double-point double-throw switch and former type paper feed unit 500.
Control panel 200 utilizes the photoelectric pulse signal of encoder sensor 600 that the motor of paper feed unit is counted step number; When control panel 200 judges that step numbers reach between two/one page blank step-length; Control panel 200 output interfaces are changed to high level; Control relay 700 adhesives, the motor reverse drive loop of connection paper feed unit 500 makes printer retreat suitable paper feed.After the motor reverse drive loop of paper feed unit 500 is connected; Cause the phase information in the motor-driven loop of original paper feed unit 500 to be changed; Be that encoder sensor 600 can be exported reverse phase information, at this moment, guarantee former ink-jet printer operate as normal; Need control panel 200 simultaneously the phase information of encoder sensor 600 outputs to be done opposite the processing; The phase information that to reset then sends printer mainboard 300 to, though printer remains by original normal printing mode and continuing operation like this, this moment, the motor paper feed process of printer was carried out opposite action.When control panel 200 judges that step numbers reach between page or leaf blank step-length; The I/0 interface of control panel 200 is changed to low level; Control relay 700 breaks off, and the motor forward drive loop of paper feed unit 500 is connected in reduction, and transmission forward phase information is given said mainboard 300; After mainboard 300 receives this forward phase information, continue the operation of paper feed unit 500 and print unit 400.
The concrete workflow of above-mentioned control panel 200 is as shown in Figure 8, and this workflow is an example with print media paper, specifically comprises:
Step S501, beginning.Connect the control panel power supply.
Step S502, the control panel initialization.In this step, control panel is opened control port and data transmission channel, and switches to corresponding continuous media printing model according to preset printing model.
Step S503 is with the step number variable zero clearing of measuring in the control panel.
Step S504 receives and prints blank step-length data between step-length data and page or leaf.
These printing step-length data can be preset; Also can be from the data of higher level's PC transmission.
Step S505, blank step-length data are to memory variable between preservation printing step-length and page or leaf; According to the pulse signal of encoder sensor, through interior step number counter meter step number of establishing.
Step S506 judges whether paper is arranged in the printer, if there is not paper, then execution in step S508 promptly goes into the paper monitoring; If paper is arranged, then execution in step S507 promptly goes in the paper process at printer, to 300 of printer mainboards the paper signal is arranged at the paper point of confirming of going into.
Step S509 in the process of printer paper-feeding, compares the step number variable with printing step-length, if the two is identical, and execution in step S510 then; If the two difference continues step S509 again.
Step S510 sends out the paper signal scarce to printer mainboard 300.
Step S511, judge whether step number reaches blank step-length between two/one page, judges promptly whether following formula is set up: blank step-length between step number=printing step-length+two/one page, if, execution in step S512 then; Otherwise, continue this step.
Step S512 puts control panel 200 and is high level, trigger relay 700 adhesives, the motor reverse drive loop of connection paper feed unit 500; And after the phase information of encoder sensor 600 feedback done opposite processing, be transferred to printer mainboard 300.
Step S513, judge whether step number reaches blank step-length between page or leaf, judges promptly whether following formula is set up: blank step-length between step number=printing step-length+page or leaf, if, execution in step S514 then; Otherwise, continue this step.
Step S514 puts control panel 200 and is low level, and trigger relay 700 breaks off, and connects the motor forward drive loop of paper feed unit 500; And the phase information that encoder sensor 600 is fed back is transferred to printer mainboard 300.
Fourth embodiment of the invention provides the 4th kind of continuous media ink-jet printer; The 4th embodiment can increase PC on the basis of the 3rd embodiment; Treat document printing through this PC scanning; Calculate the printing step-length and the page empty step-length of current document; These step-length data are informed that slave computer is a control panel 200 in output before the mimeograph documents, simultaneously, the step-length that control panel 200 calculates the medium of walking according to the photoelectric pulse signal of encoder sensor 600 transmission is during to appointment stepping amount (promptly printing step-length); Send the scarce paper signal of emulation to printer mainboard 300; Also can go ahead printer at this moment one section paper tail or paper is blank, and control panel 200 continues to calculate the step-length of the medium of walking according to the photoelectric pulse signal of encoder sensor 600 transmission, and the step-length data that will calculate gained are informed PC; The step-length data that PC provides according to control panel 200 are known blank paper feed stepping amount; And will be reorganized into blank paper feed control documents in real time by mimeograph documents according to this blank paper feed stepping amount and issue printer, printer reverse paper feed stepping amount and blank paper feed stepping amount are offseted, thus can realize to each different document carry out between page or leaf and the page or leaf continuously apart from the purpose of printing or seamless printing.
The theory diagram of the 4th embodiment is as shown in Figure 9: convert the RS323 serial line interface to through USB between PC 800 and the control panel 200 and be connected.Control panel 200 receives the control command and transmission data of PC 800 through serial line interface, and controls according to these orders and data printer mainboard 300.
Wherein the workflow of control panel 200 is still as shown in Figure 8, is not described in detail here.Only the workflow of PC 800 is described below,, is specifically comprised referring to Figure 10:
Step S901, beginning.
Step S902 opens control port and print.er port.
Step S903, the scanning and printing file gets access to the document that needs printing.
Step S904, document printing is treated in scanning, blank step-length data between printing step-length of calculating the document and page or leaf.
Step S905 sends blank step-length data between printing step-length data and page or leaf to control panel 200.
Step S906 receives the reply data that control panel 200 feeds back.
Step S907 sends print order file to printer mainboard 300.
Step S908 judges according to the reply data of printer mainboard 300 feedbacks whether printer is idle, if printer free time, then execution in step S909.
Step S909, one page needs to print under judging whether to also have, if need, then changes step S903 over to; Otherwise, execution in step S910.
Step S910, closing control port and print.er port.
Step S911, the workflow of end PC.
Above-mentioned second embodiment and the 4th embodiment; Can also change USB through the RS323 interface; Between control panel 200 and PC 800, set up the control command communication port; Through this command communication passage, control panel 200 obtains the control command of additional function from upper PC 800, a series of instructions of sending according to upper PC 800; Send control corresponding through I/O interface and interlock circuit to mainboard 300 and carry out action, realize that paging type is printed (former type function) and continous way is printed the instruction handoff functionality between (new function).
Fifth embodiment of the invention provides a kind of control panel, and the theory diagram of this control panel is shown in figure 11, comprising: information acquisition unit 10, counting unit 20, comparing unit 30, control module 40.
Counting unit 20 is according to said photoelectric pulse signal count steps;
Comparing unit 30 is used for the comparison step number and prints step-length;
Sixth embodiment of the invention provides another kind of control panel, and the theory diagram of this control panel is still shown in figure 11, comprises information acquisition unit 10, counting unit 20, comparing unit 30, control module 40.The function separately of each unit in possessing above-mentioned the 5th embodiment, wherein comparing unit 30 also possesses following function with control module 40:
After the step-length data that the counting unit 20 that receives comparing unit 30 transmits, also be used for blank step-length sum between printing step-length and two/one page is compared with step number; And, will print blank step-length sum between step-length and page or leaf, compare with step number;
Said control module 40 also be used for when comparative result be that step number is when equaling to print between step-length and two/one page blank step-length sum; Starting relay 700 is connected the motor reverse drive loop of paper feed unit 500, and is transferred to the printer mainboard after phase information done opposite processing; When step number equaled to print between step-length and page or leaf blank step-length sum, starting relay 700 was connected the motor forward drive loop of paper feed unit 500, and transmission respective phase information is given printer mainboard 300.
The control panel that the 5th embodiment and the 6th embodiment provide both can be applied to continuous media ink-jet printer or label printing machine, also can be applied to the transformation of paging type ink-jet printer or label printing machine.
In the foregoing description, be that example describes, but the utility model is not limited thereto, can also uses other step number detecting unit to realize with the encoder sensor.
The foregoing description can be applied to the printing of various common continuous papers, collapsible continuous paper, also can be applied to the digital printing of short slab label.
Technical scheme by the invention described above provides can be found out; Through the present invention through between the information transfer channel of mainboard, inserting control panel at scarce paper detecting unit, step number detecting unit; And control to the information of mainboard, thereby can realize the printing of continuous media through this control panel.
In addition; Through introducing control panel and relay; Realize the positive reversal connection in the motor-driven loop of paper feed unit through the control panel control relay; And give the printer mainboard through the phase information of control panel replacement encoder sensor transmission, can realize on the basis that continuous media prints, further realize between logical page (LPAGE) and the page or leaf continuously apart from printing or seamless printing.
In addition, through introducing upper PC, can to each different document, realize self adaptation adjustment and control by the requirement of user's setting.
In addition; Through introducing upper PC; Control panel obtains the control command of additional function from upper PC; According to a series of instructions that upper PC is sent, send control corresponding through I/O interface and interlock circuit to mainboard and carry out action, realize that paging type is printed (former type function) and continous way is printed the instruction handoff functionality between (new function).
At present the whole nation has and surpasses 3,000 tame label printing enterprises; Need to use the various printings of coiled material continuous paper or folding continuous-forms printing and printing to have more than ten thousand families of surpassing in the seal shop soon; Also exist in addition and be difficult to the continuous coil paper that calculates, the printing user of fanfold paper in a large number; Therefore the present invention is as an emerging technology, and its economic benefit is considerable.
The above; Be merely the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. continuous media ink-jet printer; Said continuous media ink-jet printer comprises mainboard, print unit and paper feed unit; Said print unit and paper feed unit are realized printing and paper feed according to said mainboard information transmitted action; It is characterized in that said continuous media ink-jet printer also comprises:
Lack paper detecting unit, step number detecting unit and control panel;
The input of said control panel is connected with said step number detecting unit with said scarce paper detecting unit respectively, and output is connected with said mainboard;
Said scarce paper detecting unit is used to detect whether medium is arranged in the continuous media ink-jet printer, and detected medium state information is transferred to said control panel;
Said step number detecting unit is used for said paper feed medium that the unit is walked is detected, and pulse signal is transferred to said control panel;
Said control panel is used to obtain the medium state information of said scarce paper detecting unit transmission and the pulse signal of said step number detecting unit transmission, according to said pulse signal meter step number; And under the continuous media printing model, when medium state information equals to print step-length for medium and said step number are arranged, send out scarce paper signal to said mainboard.
2. continuous media ink-jet printer according to claim 1 is characterized in that, said continuous media ink-jet printer also comprises:
Host computer, said host computer is connected with said control panel; Said host computer is used to treats document printing calculating printing step-length, and said result of calculation is transferred to said control panel, and receives the back print command that sends of replying of said control panel.
3. continuous media ink-jet printer according to claim 1 is characterized in that,
Said continuous media ink-jet printer also comprises: relay, and the coil-end of said relay is connected with said control panel, and controlled change-over switch terminal is connected with the motor-driven loop of said paper feed unit;
Said control panel also is used for when step number reaches between two/one page blank step-length, controlling the motor reverse drive loop that said relay is connected said paper feed unit, and is transferred to said mainboard after phase information done opposite processing; When step number reaches between page or leaf blank step-length, control the motor forward drive loop that said relay is connected said paper feed unit, and transmission forward phase information is given said mainboard.
4. continuous media ink-jet printer according to claim 3 is characterized in that, said continuous media ink-jet printer also comprises:
Host computer, said host computer is connected with said control panel; Said host computer is used to treats that document printing calculate to print blank step-length between step-length and page or leaf, and said result of calculation is transferred to said control panel, and print command is sent in the back of replying that receives said control panel.
5. according to claim 1,2,3 or 4 described continuous media ink-jet printers, it is characterized in that,
Said control panel also is used under paging medium printing model, when medium state information is no medium, sends out scarce paper signal to said mainboard.
6. continuous media ink-jet printer according to claim 5 is characterized in that,
Said host computer also is used to send the printing model switching command and gives said control panel;
Said control panel also is used to receive the printing model switching command that said host computer sends, and according to said order, switches printing model to continuous media printing model or paging medium printing model.
7. continuous media ink-jet printer according to claim 1 is characterized in that, said step number detecting unit comprises: encoder sensor.
8. continuous media ink-jet printer according to claim 3 is characterized in that, said relay is a dpdt relay.
9. a control panel is characterized in that, said control panel comprises:
Information acquisition unit is used to obtain the medium state information of scarce paper detecting unit transmission and the photoelectric pulse signal of said step number detecting unit transmission;
Counting unit is according to said photoelectric pulse signal count steps;
Comparing unit is used for the comparison step number and prints step-length;
Control module is used under the continuous media printing model, when medium state information equals to print step-length for medium and said step number are arranged, sends out scarce paper signal to said mainboard.
10. control panel according to claim 9 is characterized in that,
Said comparing unit also is used for blank step-length sum between printing step-length and two/one page is compared with step number; And, will print blank step-length sum between step-length and page or leaf, compare with step number;
Said control module also be used for when comparative result be step number when equaling to print between step-length and two/one page blank step-length sum, starting relay is connected the motor reverse drive loop of paper feed unit, and is transferred to the printer mainboard after phase information done opposite processing; When step number equaled to print between step-length and page or leaf blank step-length sum, starting relay was connected the motor forward drive loop of paper feed unit, and the transmission phase information is given the printer mainboard.
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Application publication date: 20120516 |